Add path option(path2d) for hit regions on canvas2d.

Source/bindings/v8/Dictionary.h

Index: Source/bindings/v8/Dictionary.h
diff --git a/Source/bindings/v8/Dictionary.h b/Source/bindings/v8/Dictionary.h
index 97b0ee7597a8971aad4e053436e59621d123f564..46012272ace50c287495cc80c4f687d148ebc169 100644
--- a/Source/bindings/v8/Dictionary.h
+++ b/Source/bindings/v8/Dictionary.h
@@ -55,6 +55,7 @@ class IDBKeyRange;
 class MIDIPort;
 class MediaKeyError;
 class Notification;
+class Path2D;
 class SpeechRecognitionResult;
 class SpeechRecognitionResultList;
 class Storage;
@@ -180,6 +181,7 @@ public:
 
     bool getWithUndefinedOrNullCheck(const String&, String&) const;
     bool getWithUndefinedOrNullCheck(const String&, RefPtrWillBeMember<Element>&) const;
+    bool getWithUndefinedOrNullCheck(const String&, RefPtr<Path2D>&) const;
 
     bool hasProperty(const String&) const;